Last Update: 146 PM CDT Thu May 21 2026

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Houston, TX Local Forecast Office

42NM SSE Galveston TX

Marine Zone Forecast


This Afternoon
South winds around 10 knots. Seas around 3 feet. Wave detail: southeast 2 feet at 6 seconds. A chance of thunderstorms. Showers early, then a slight chance of showers late.
Tonight
South winds 10 to 15 knots. Seas around 3 feet. Wave detail: southeast 3 feet at 6 seconds. A chance of thunderstorms with a slight chance of showers in the evening, then a chance of showers with a slight chance of thunderstorms after midnight.
Friday
South winds 10 to 15 knots. Seas around 3 feet. Wave detail: southeast 2 feet at 6 seconds. A chance of showers and thunderstorms.
Friday Night
Southeast winds around 10 knots. Seas around 3 feet. Wave detail: southeast 2 feet at 6 seconds.
Saturday
Southeast winds around 10 knots. Seas 3 to 4 feet. Wave detail: southeast 2 feet at 6 seconds. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon.
Saturday Night
Southeast winds 10 to 15 knots. Seas 3 to 4 feet. Wave detail: southeast 3 feet at 6 seconds. A chance of thunderstorms. Showers.
Sunday
South winds 10 to 15 knots, diminishing to around 10 knots in the afternoon. Seas 3 to 5 feet. A chance of thunderstorms. Showers.
Sunday Night
Southeast winds 5 to 10 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms after midnight.
Monday
Southeast winds around 5 knots. Seas 3 to 4 feet. A chance of thunderstorms. A chance of showers.
Monday Night
Southeast winds 5 to 10 knots. Seas 3 to 4 feet. A chance of showers and thunderstorms after midnight.

winds and seas higher in and near thunderstorms.




Winds and seas higher in and near thunderstorms.
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146 PM CDT Thu May 21 2026
 
 

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